Jaanis Juhanson
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View article: Effects of compost amendments and experimental drought on grassland soil microbial communities
Effects of compost amendments and experimental drought on grassland soil microbial communities Open
Prolonged drought is a major stressor for grassland ecosystems. In addition to decreasing plant productivity, it can affect soil microbial activities and thus destabilize nutrient cycling and carbon (C) sequestration. Soil organic amendmen…
View article: A global dataset of experimental agricultural management on soil carbon accrual, its synergies and trade-offs
A global dataset of experimental agricultural management on soil carbon accrual, its synergies and trade-offs Open
View article: Supplementary material to "The role of mycorrhizal type and plant dominance in regulating nitrogen cycling in Oroarctic soils"
Supplementary material to "The role of mycorrhizal type and plant dominance in regulating nitrogen cycling in Oroarctic soils" Open
View article: The role of mycorrhizal type and plant dominance in regulating nitrogen cycling in Oroarctic soils
The role of mycorrhizal type and plant dominance in regulating nitrogen cycling in Oroarctic soils Open
Mycorrhizal fungi enhance plant access to nitrogen (N) in nutrient-poor environments like the Arctic tundra by depolymerizing N-rich organic compounds into forms available to plants and microbes. As climate change reshapes plant communitie…
View article: Plant–soil feedbacks in mixed pine-oak Mediterranean forests under drought conditions
Plant–soil feedbacks in mixed pine-oak Mediterranean forests under drought conditions Open
Background and aims Pine-oak mixed forests are characteristic of the Mediterranean landscape. Understanding which types of plant–soil feedbacks (PSFs) operate in these communities and how such PSFs could be altered by severe summer drought…
View article: Nitrogen Fertilization Does Not Affect Non-Symbiotic N2 Fixation in Northern Forest Soils Despite its Negative Impacts on Diazotroph Communities
Nitrogen Fertilization Does Not Affect Non-Symbiotic N2 Fixation in Northern Forest Soils Despite its Negative Impacts on Diazotroph Communities Open
View article: Environmental drivers of increased ecosystem respiration in a warming tundra
Environmental drivers of increased ecosystem respiration in a warming tundra Open
View article: Microbial succession and denitrifying woodchip bioreactor performance at low water temperatures
Microbial succession and denitrifying woodchip bioreactor performance at low water temperatures Open
Mining activities are increasingly recognized for contributing to nitrogen (N) pollution and possibly also to emissions of the greenhouse gas nitrous oxide (N2O) due to undetonated, N-based explosives. A woodchip denitrifying bi…
View article: Plant–soil feedbacks among boreal forest species
Plant–soil feedbacks among boreal forest species Open
Plant–microbial interactions in soils are considered to play a central role in regulating biodiversity in many global ecosystems. However, studies on plant–soil feedbacks (PSFs) and how these affect forest stand patterns in boreal regions …
View article: Vegetation, topography, and soil depth drive microbial community structure in two Swedish grasslands
Vegetation, topography, and soil depth drive microbial community structure in two Swedish grasslands Open
Soil microbial diversity and community composition are shaped by various factors linked to land management, topographic position, and vegetation. To study the effects of these drivers, we characterized fungal and bacterial communities from…
View article: Spatial and temporal changes in microbial communities and greenhouse gas emissions in a denitrifying woodchip bioreactor at low water temperatures
Spatial and temporal changes in microbial communities and greenhouse gas emissions in a denitrifying woodchip bioreactor at low water temperatures Open
Nitrogen (N) pollution is a major threat to ecosystems and a driver of climate change through emissions of the greenhouse gas nitrous oxide (N 2 O). Mining activities are increasingly recognized for contributing to N pollution due to undet…
View article: Stable nitrogen-cycling capacity in relation to fertilization and intercropping in a sub-boreal grassland
Stable nitrogen-cycling capacity in relation to fertilization and intercropping in a sub-boreal grassland Open
Grasslands are important in sub-boreal climate agricultural systems and are managed with various combinations of N fertilization and plant species. Ammonia-oxidizing and denitrifying microorganisms are key players in determining the fate o…
View article: Bacterioplankton seasonality in deep high-mountain lakes
Bacterioplankton seasonality in deep high-mountain lakes Open
Due to global warming, shorter ice cover duration might drastically affect the ecology of lakes currently undergoing seasonal surface freezing. High-mountain lakes show snow-rich ice covers that determine contrasting conditions between ice…
View article: Nitrogen Removal Capacity of Microbial Communities Developing in Compost- and Woodchip-Based Multipurpose Reactive Barriers for Aquifer Recharge With Wastewater
Nitrogen Removal Capacity of Microbial Communities Developing in Compost- and Woodchip-Based Multipurpose Reactive Barriers for Aquifer Recharge With Wastewater Open
Global water supplies are threatened by climate changes and the expansion of urban areas, which have led to an increasing interest in nature-based solutions for water reuse and reclamation. Reclaimed water is a possible resource for rechar…
View article: Disentangling the roles of plant functional diversity and plaint traits in regulating plant nitrogen accumulation and denitrification in freshwaters
Disentangling the roles of plant functional diversity and plaint traits in regulating plant nitrogen accumulation and denitrification in freshwaters Open
There is a growing recognition that functional measures of diversity, based on quantification of functionally important species traits, are useful for explaining variation in ecosystem processes. However, the mechanisms linking functional …
View article: Stable Nitrogen-Cycling Capacity in Relation to Fertilization and Intercropping in a Sub-Boreal Grassland
Stable Nitrogen-Cycling Capacity in Relation to Fertilization and Intercropping in a Sub-Boreal Grassland Open
View article: Site-specific responses of fungal and bacterial abundances to experimental warming in litter and soil across Arctic and alpine tundra
Site-specific responses of fungal and bacterial abundances to experimental warming in litter and soil across Arctic and alpine tundra Open
Vegetation change of the Arctic tundra due to global warming is a well-known process, but the implication for the belowground microbial communities, key in nutrient cycling and decomposition, is poorly understood. We characterized the fung…
View article: Plant-microbe interactions in response to grassland herbivory and nitrogen eutrophication
Plant-microbe interactions in response to grassland herbivory and nitrogen eutrophication Open
Plant-soil feedback is increasingly recognized as a vital framework to analyze multi-trophic interactions involving herbivores, plants and microbes, but research is still lacking on understanding such feedback in the context of global chan…
View article: Carbon and nitrogen cycling in Yedoma permafrost controlled by microbial functional limitations
Carbon and nitrogen cycling in Yedoma permafrost controlled by microbial functional limitations Open
View article: Substrate type determines microbial activity and community composition in bioreactors for nitrate removal by denitrification at low temperature
Substrate type determines microbial activity and community composition in bioreactors for nitrate removal by denitrification at low temperature Open
High levels of nitrogen originating from blasting operations, for example at mining sites or quarries, risk contaminating water bodies through leaching from waste rock dumps. Woodchip bioreactors can be a simple and cost-effective way of r…
View article: Phytoremediation of landfill leachate in constructed wetland
Phytoremediation of landfill leachate in constructed wetland Open
The integrated remediation plan of the Laguja landfill, Estonia, includes creation of aconstructed wetland for treatment of landfill leachate. A mesocosm experiment wasconducted in order to estimate the impact of different plant species on…
View article: Impact of phytoremediation and bioaugmentation on microbial community in oil shale chemical industry solid waste
Impact of phytoremediation and bioaugmentation on microbial community in oil shale chemical industry solid waste Open
Field and laboratory experiments were carried out in order to estimate the suitability ofphytoremediation and bioaugmentation for oil shale chemical industry solid waste (semicoke) dump area remediation as well as influence of plants and l…
View article: Impacts of twenty years of experimental warming on soil carbon, nitrogen, moisture and soil mites across alpine/subarctic tundra communities
Impacts of twenty years of experimental warming on soil carbon, nitrogen, moisture and soil mites across alpine/subarctic tundra communities Open
View article: Habitat diversity and ecosystem multifunctionality—The importance of direct and indirect effects
Habitat diversity and ecosystem multifunctionality—The importance of direct and indirect effects Open
Both habitat diversity and species diversity are important factors in ecosystem productivity and nutrient cycling.
View article: Diversity of habitats and bacterial communities support landscape-scale multifunctionality differently across seasons
Diversity of habitats and bacterial communities support landscape-scale multifunctionality differently across seasons Open
In this study, we demonstrate how changes in the diversity of habitat and bacterial communities affect landscape multifunctionality. Habitat diversity may beget species diversity by increasing niche availability and resource complementarit…
View article: Diversity of habitats and bacterial communities support landscape-scale multifunctionality differently across seasons
Diversity of habitats and bacterial communities support landscape-scale multifunctionality differently across seasons Open
In this study, we demonstrate how changes in the diversity of habitat and bacterial communities affect landscape multifunctionality. Habitat diversity may beget species diversity by increasing niche availability and resource complementarit…
View article: Phytoremediation and Plant-Assisted Bioremediation in Soil and Treatment Wetlands: A Review
Phytoremediation and Plant-Assisted Bioremediation in Soil and Treatment Wetlands: A Review Open
Phytoremediation is a technology that is based on the combined action of plants and their associated microbial communities to degrade, remove, transform, or immobilize toxic compounds located in soils, sediments, and more recently in pollu…